We're going to really get into this next class, but I just want to introduce it to you to give us a start, and many of you have used Lewis structures in high school, but we'll be doing some much more challenging Lewis structures, I can assure you, in this class here.

其实我们下节课才会详细介绍它，但是今天我只想以简单介绍作为开始，大部分同学在高中就用过路易斯结构了，但是我们会遇到一些更具挑战性的,路易斯结构，我可以向大家保证，在这门课中会的。

麻省理工公开课 - 化学原理课程节选

After the long sway of Theocritus' and Virgil's pastorals, ; of course Christianity entered the scene,a new dispensation; and Christianity began to load this pastoral literary tradition with its own set of associations.

在维吉尔等两人对田园诗的长久统治之后，基督教义作为新的统治思想兴起了;,并且开始以它自身的一套体系,附在田园诗的文学传统之上。

耶鲁公开课 - 弥尔顿课程节选